Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	MAST1
Human P-Site:	S903
P-Site Sequence:	VAVEKRPSRTGGKVI
UniProt:	Q9Y2H9
Intern. Prot. ID:	IPI00027883

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MAST1	Q9Y2H9	S903	VAVEKRPSRTGGKVI	100 / 9 AA	171
Phosphosite 1:	FAM38A	Q92508	S1429	TGREKRPSRSGGRVR	88 / 9 AA	233
Phosphosite 2:	LIMD1	Q9UGP4	S667	KRLEKRPSSTALHQH	75 / 8 AA	72
Phosphosite 3:	Tiam2	Q8IVF5	S784	KGKEKRPSITQVDEL	85 / 7 AA	193
Phosphosite 4:	CLIP1	P30622	T333	VSSRPSRTGLLTETS	100 / 6 AA	162
Phosphosite 5:	FAM38A	Q92508	S1431	REKRPSRSGGRVRAA	85 / 7 AA	233
Phosphosite 6:	CLIP1	P30622	S331	SSVSSRPSRTGLLTE	100 / 6 AA	162
Phosphosite 7:	NCOR1	O75376	S2376	WAWEDRPSSTGSTQF	75 / 8 AA	270
Phosphosite 8:	ERVK5	P61583	S30	APKRQRPSRTGHDDD	85 / 7 AA	9
Phosphosite 9:	HERV-K_1q22 provirus Np9 protein	P61582	S30	APKRQRPSRTGHDDD	85 / 7 AA	9
Phosphosite 10:	HERV-K_22q11.21 provirus Np9 protein	P61581	S30	APKRQRPSRTGHDDD	85 / 7 AA	9
Phosphosite 11:	HERV-K_5q33.3 provirus Np9 protein	P61580	S30	APKRQRPSRTGHDDD	85 / 7 AA	9
Phosphosite 12:	PPP1R13L	Q8WUF5	S264	VAYEKKPSQTASYER	55 / 9 AA	89
Phosphosite 13:	CECR2	Q9BXF3	S563	EKREKRRSRAGRSGG	75 / 8 AA	164
Phosphosite 14:	SLC4A3	P48751	S289	RHLVKKPSRTQGGRG	75 / 8 AA	136
Phosphosite 15:	YEATS2	Q9ULM3	S174	NNMEQRPSRNTGRDT	66 / 9 AA	151
Phosphosite 16:	MSI1	O43347	S302	PPPGSTPSRTGGFLG	100 / 6 AA	39
Phosphosite 17:	FNDC1	Q4ZHG4	S1139	AASPARPSRPGGPQS	85 / 7 AA	199
Phosphosite 18:	KIAA0754	O94854	S699	IPVLQRPSRTAAVPT	62 / 8 AA	135
Phosphosite 19:	HYDIN	Q4G0P3	S626	HVDYKRPSWTKEEIS	83 / 6 AA	576
Phosphosite 20:	Putative uncharacterized protein FLJ46358	Q6ZRH4	S217	RKIQGRLSRTGGGAR	66 / 9 AA	28